UPDATE: Oculus has issued the following statement based on the expanded lawsuit filing:
This complaint filed by ZeniMax is one-sided and conveys only ZeniMax's interpretation of the story. We continue to believe this case has no merit, and we will address all of ZeniMax's allegations in court.
Zenimax has taken the gloves off in its ongoing lawsuit against Oculus. The suit, first filed in 2014, alleges that technology used to create the VR device was stolen from the Zenimax. The amended lawsuit now names CEO Brendan Iribe and id Software's John Carmack directly. The suit alleges that Carmack "copied thousands of documents from a computer at ZeniMax to a USB storage device. He never returned those files or all copies of them after his employment was terminated".
The updated lawsuit also:
Read more at Game Informer.